Process for preparing crystalline form A of Lansoprazole

The present invention relates to a process for preparing Crystalline Form A of Lansoprazole. Specifically, the present invention relates to a process for preparing highly pure Crystalline Form A of Lansoprazole in a large scale without any additional conversion step, even by using ethanol in which C...

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Hauptverfasser:	LEE SUNG JAE, OH SEONG SOO, MOON SEONG CHEOL, KANG DOO SUNG, SONG IN WOONG
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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creator	LEE SUNG JAE OH SEONG SOO MOON SEONG CHEOL KANG DOO SUNG SONG IN WOONG
description	The present invention relates to a process for preparing Crystalline Form A of Lansoprazole. Specifically, the present invention relates to a process for preparing highly pure Crystalline Form A of Lansoprazole in a large scale without any additional conversion step, even by using ethanol in which Crystalline Form B is easily formed.
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title	Process for preparing crystalline form A of Lansoprazole
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